Home / 1,329,698,540.20-1,994,547,810.30-409,455,304.60

Finding the Fourth Proportional to 1,329,698,540.20, 1,994,547,810.30 and 409,455,304.60

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Solution

The fourth proportional to 1,329,698,540.20, 1,994,547,810.30 and 409,455,304.60 is: 614,182,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,540.20 : 1,994,547,810.30 = 409,455,304.60 : x
  2. Step 2: Convert to fraction form
    1,329,698,540.20/1,994,547,810.30 = 409,455,304.60/x
  3. Step 3: Cross multiply
    1,329,698,540.20x = 1,994,547,810.30 × 409,455,304.60
  4. Step 4: Simplify right side
    1,329,698,540.20x = 816,678,181,205,649,536
  5. Step 5: Solve for x
    x = 816,678,181,205,649,536/1,329,698,540.20
  6. Step 6: Final answer
    x = 614,182,956.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.